<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use think\Db;
use think\db\exception\BindParamException;
use think\db\exception\DataNotFoundException;
use think\db\exception\ModelNotFoundException;
use think\exception\DbException;
use think\exception\PDOException;
use think\exception\ValidateException;
use think\response\Json;
use think\Config;
/**
 * 
 *
 * @icon fa fa-circle-o
 */
class Article extends Backend
{

    /**
     * Article模型对象
     * @var \app\common\model\Article
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\common\model\Article;
        $this->view->assign("typeList", $this->model->getTypeList());
    }



    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */


    /**
     * 查看
     */
    public function index()
    {
        //当前是否为关联查询
        $this->relationSearch = false;
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();

            $list = $this->model
                    
                    ->where($where)
                    ->order($sort, $order)
                    ->paginate($limit);

            foreach ($list as $row) {
                $row->visible(['id','type','title','image','created_at','is_top','is_switch']);
                
            }

            $result = array("total" => $list->total(), "rows" => $list->items());

            return json($result);
        }
        return $this->view->fetch();
    }

    public function add()
    {
        if (false === $this->request->isPost()) {
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);

        if (!$params['title_en']) {
            $response = json_decode($this->http_post(Config::get('trans_host') . 'public/trans', ['string' => $params['title']]), true);
            $params['title_en'] = $response['data']['trans_result'][0]['dst'];
        }

        if (!$params['content_en']) {
            $response = json_decode($this->http_post(Config::get('trans_host') . 'public/trans', ['string' => $params['content']]), true);
            $params['content_en'] = $response['data']['trans_result'][0]['dst'];
        }

        if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
            $params[$this->dataLimitField] = $this->auth->id;
        }
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                $this->model->validateFailException()->validate($validate);
            }
            $result = $this->model->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success();
    }

    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds) && !in_array($row[$this->dataLimitField], $adminIds)) {
            $this->error(__('You have no permission'));
        }
        if (false === $this->request->isPost()) {
            $this->view->assign('row', $row);
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);

        if (!$params['title_en']) {
            $response = json_decode($this->http_post(Config::get('trans_host') . 'public/trans', ['string' => $params['title']]), true);
            $params['title_en'] = $response['data']['trans_result'][0]['dst'];
        }

        if (!$params['content_en']) {
            $response = json_decode($this->http_post(Config::get('trans_host') . 'public/trans', ['string' => $params['content']]), true);
            $params['content_en'] = $response['data']['trans_result'][0]['dst'];
        }

        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                $row->validateFailException()->validate($validate);
            }
            $result = $row->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if (false === $result) {
            $this->error(__('No rows were updated'));
        }
        $this->success();
    }

    protected function http_post($url, $params = null,$json=0, $timeout = 30)
    {
        $user_agent = "Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)";
        $ch = curl_init();
        if ($params) {
            curl_setopt($ch, CURLOPT_POST, 1);
            if ($json) {
                curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($params));
                curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json'));
            } else {
                curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
            }
        }
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_USERAGENT, $user_agent);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
        curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
        curl_setopt($ch, CURLOPT_REFERER, $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI']);

        $result = curl_exec($ch);
        if (curl_errno($ch)) $result = false;

        curl_close($ch);
        return $result;
    }
}
